Medical Definition of dental formula
: an abridged expression for the number and kind of teeth of mammals in which the kind of teeth are represented by i (incisor), c (canine), pm (premolar) or b (bicuspid), and m (molar) and the number in each jaw is written like a fraction with the figures above the horizontal line showing the number in the upper jaw and those below the number in the lower jaw and with a dash separating the figures representing the teeth on each side of the jaw the dental formula of the human adult is
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